зеркало из https://github.com/mozilla/gecko-dev.git
132 строки
3.5 KiB
C++
132 строки
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* representation of CSSMediaRule for stylo */
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#include "mozilla/ServoMediaRule.h"
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#include "mozilla/ServoBindings.h"
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#include "mozilla/ServoMediaList.h"
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using namespace mozilla::dom;
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namespace mozilla {
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ServoMediaRule::ServoMediaRule(RefPtr<RawServoMediaRule> aRawRule,
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uint32_t aLine, uint32_t aColumn)
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: CSSMediaRule(Servo_MediaRule_GetRules(aRawRule).Consume(), aLine, aColumn)
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, mRawRule(Move(aRawRule))
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{
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}
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ServoMediaRule::~ServoMediaRule()
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{
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if (mMediaList) {
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mMediaList->SetStyleSheet(nullptr);
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}
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}
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NS_IMPL_ADDREF_INHERITED(ServoMediaRule, CSSMediaRule)
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NS_IMPL_RELEASE_INHERITED(ServoMediaRule, CSSMediaRule)
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// QueryInterface implementation for MediaRule
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ServoMediaRule)
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NS_INTERFACE_MAP_END_INHERITING(CSSMediaRule)
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NS_IMPL_CYCLE_COLLECTION_CLASS(ServoMediaRule)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(ServoMediaRule, CSSMediaRule)
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if (tmp->mMediaList) {
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tmp->mMediaList->SetStyleSheet(nullptr);
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tmp->mMediaList = nullptr;
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}
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(ServoMediaRule, CSSMediaRule)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaList)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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/* virtual */ already_AddRefed<css::Rule>
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ServoMediaRule::Clone() const
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{
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// Rule::Clone is only used when CSSStyleSheetInner is cloned in
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// preparation of being mutated. However, ServoStyleSheet never clones
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// anything, so this method should never be called.
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MOZ_ASSERT_UNREACHABLE("Shouldn't be cloning ServoMediaRule");
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return nullptr;
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}
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/* virtual */ bool
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ServoMediaRule::UseForPresentation(nsPresContext* aPresContext,
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nsMediaQueryResultCacheKey& aKey)
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{
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// GroupRule::UseForPresentation is only used in nsCSSRuleProcessor,
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// so this should never be called.
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MOZ_ASSERT_UNREACHABLE("Shouldn't be calling UseForPresentation");
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return false;
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}
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/* virtual */ void
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ServoMediaRule::SetStyleSheet(StyleSheet* aSheet)
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{
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if (mMediaList) {
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mMediaList->SetStyleSheet(aSheet);
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}
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CSSMediaRule::SetStyleSheet(aSheet);
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}
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#ifdef DEBUG
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/* virtual */ void
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ServoMediaRule::List(FILE* out, int32_t aIndent) const
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{
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nsAutoCString str;
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for (int32_t i = 0; i < aIndent; i++) {
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str.AppendLiteral(" ");
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}
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Servo_MediaRule_Debug(mRawRule, &str);
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fprintf_stderr(out, "%s\n", str.get());
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}
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#endif
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void
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ServoMediaRule::GetConditionText(nsAString& aConditionText)
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{
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Media()->GetMediaText(aConditionText);
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}
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void
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ServoMediaRule::SetConditionText(const nsAString& aConditionText,
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ErrorResult& aRv)
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{
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Media()->SetMediaText(aConditionText);
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}
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/* virtual */ void
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ServoMediaRule::GetCssTextImpl(nsAString& aCssText) const
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{
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Servo_MediaRule_GetCssText(mRawRule, &aCssText);
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}
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/* virtual */ dom::MediaList*
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ServoMediaRule::Media()
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{
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if (!mMediaList) {
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mMediaList =
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new ServoMediaList(Servo_MediaRule_GetMedia(mRawRule).Consume());
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mMediaList->SetStyleSheet(GetStyleSheet());
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}
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return mMediaList;
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}
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/* virtual */ size_t
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ServoMediaRule::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
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{
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// TODO Implement this!
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return aMallocSizeOf(this);
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}
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} // namespace mozilla
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